--- loncom/interface/lonnavmaps.pm	2004/11/02 21:02:01	1.302
+++ loncom/interface/lonnavmaps.pm	2004/12/12 21:17:04	1.309
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.302 2004/11/02 21:02:01 albertel Exp $
+# $Id: lonnavmaps.pm,v 1.309 2004/12/12 21:17:04 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -33,7 +33,9 @@ use strict;
 use Apache::Constants qw(:common :http);
 use Apache::loncommon();
 use Apache::lonmenu();
+use Apache::lonenc();
 use Apache::lonlocal;
+use Apache::lonnet;
 use POSIX qw (floor strftime);
 use Data::Dumper; # for debugging, not always 
 
@@ -375,7 +377,7 @@ ENDSUBM
                        <option value=\"default\" $selected{'default'}>".&mt('Default')."</option>
                        <option value=\"title\"   $selected{'title'}  >".&mt('Title')."</option>
                        <option value=\"duedate\" $selected{'duedate'}>".&mt('Duedate')."</option>
-                       <option value=\"discussion\" $selected{'discussion'}>".&mt('Has Discussion')."</option>
+                       <option value=\"discussion\" $selected{'discussion'}>".&mt('Has New Discussion')."</option>
                     </select>
                  </nobr>
                </form>");
@@ -433,7 +435,6 @@ sub removeFromFilter {
 
 # Convenience function: Given a stack returned from getStack on the iterator,
 # return the correct src() value.
-# Later, this should add an anchor when we start putting anchors in pages.
 sub getLinkForResource {
     my $stack = shift;
     my $res;
@@ -441,14 +442,18 @@ sub getLinkForResource {
     # Check to see if there are any pages in the stack
     foreach $res (@$stack) {
         if (defined($res)) {
+	    my $anchor;
 	    if ($res->is_page()) {
-		return $res->src();
+		foreach (@$stack) { if (defined($_)) { $anchor = $_; }  }
+		$anchor=&Apache::lonnet::escape($anchor->shown_symb());
+		return ($res->link(),$res->shown_symb(),$anchor);
 	    }
             # in case folder was skipped over as "only sequence"
 	    my ($map,$id,$src)=&Apache::lonnet::decode_symb($res->symb());
 	    if ($map=~/\.page$/) {
-		return &Apache::lonnet::clutter($map).'#'.
-		    &Apache::lonnet::escape(&Apache::lonnet::declutter($src));
+		my $url=&Apache::lonnet::clutter($map);
+		$anchor=&Apache::lonnet::escape($src->shown_symb());
+		return ($url,$res->shown_symb(),$anchor);
 	    }
         }
     }
@@ -461,7 +466,7 @@ sub getLinkForResource {
         if (defined($_)) { $res = $_; }
     }
 
-    return $res->src();
+    return ($res->link(),$res->shown_symb());
 }
 
 # Convenience function: This separates the logic of how to create
@@ -1009,6 +1014,15 @@ sub render_resource {
     my $nonLinkedText = ''; # stuff after resource title not in link
 
     my $link = $params->{"resourceLink"};
+
+    #  The URL part is not escaped at this point, but the symb is... 
+    #  The stuff to the left of the ? must have ' replaced by \' since
+    #  it will be quoted with ' in the href.
+
+    my ($left,$right) = split(/\?/, $link);
+    $left =~ s/'/\\'/g;
+    $link = $left.'?'.$right;
+
     my $src = $resource->src();
     my $it = $params->{"iterator"};
     my $filter = $it->{FILTER};
@@ -1024,7 +1038,11 @@ sub render_resource {
     }
 
     # links to open and close the folder
+
+    
     my $linkopen = "<a href='$link'>";
+
+
     my $linkclose = "</a>";
 
     # Default icon: unknown page
@@ -1065,6 +1083,7 @@ sub render_resource {
                 '&jump=' .
                 &Apache::lonnet::escape($resource->symb()) . 
                 "&folderManip=1'>";
+
         } else {
             # Don't allow users to manipulate folder
             $icon = "navmap.$folderType." . ($nowOpen ? 'closed' : 'open') .
@@ -1092,6 +1111,7 @@ sub render_resource {
     }
 
     # Decide what to display
+
     $result .= "$newBranchText$linkopen$icon$linkclose";
     
     my $curMarkerBegin = '';
@@ -1109,7 +1129,7 @@ sub render_resource {
         !$params->{'condensed'}) {
 	my $displaypart=$resource->part_display($part);
         $partLabel = " (Part: $displaypart)";
-	$link.='#'.&Apache::lonnet::escape($part);
+	if ($link!~/\#/) { $link.='#'.&Apache::lonnet::escape($part); }
         $title = "";
     }
 
@@ -1400,7 +1420,7 @@ sub render {
         # Determine where the "here" marker is and where the screen jumps to.
 
         if ($ENV{'form.postsymb'}) {
-            $here = $jump = $ENV{'form.postsymb'};
+            $here = $jump = &Apache::lonnet::symbclean($ENV{'form.postsymb'});
         } elsif ($ENV{'form.postdata'}) {
             # couldn't find a symb, is there a URL?
             my $currenturl = $ENV{'form.postdata'};
@@ -1840,22 +1860,19 @@ END
 
             # Set up some data about the parts that the cols might want
             my $filter = $it->{FILTER};
-	    my $src;
+	    my ($src,$symb,$anchor);
 	    if ($args->{'sort'}) {
 		$src = $curRes->src(); # FIXME this is wrong for .pages
+		$symb = $curRes->symb(); # FIXME this is wrong for .pages
 	    } else {
 		my $stack = $it->getStack();
-		$src=getLinkForResource($stack);
-	    }
-            my $anchor='';
-            if ($src=~s/(\#.*)$//) {
-		$anchor=$1;
+		($src,$symb,$anchor)=getLinkForResource($stack);
 	    }
+	    if (defined($anchor)) { $anchor='#'.$anchor; }
             my $srcHasQuestion = $src =~ /\?/;
             $args->{"resourceLink"} = $src.
                 ($srcHasQuestion?'&':'?') .
-                'symb=' . &Apache::lonnet::escape($curRes->symb()).
-		$anchor;
+                'symb=' . &Apache::lonnet::escape($symb).$anchor;
 
             # Now, display each column.
             foreach my $col (@$cols) {
@@ -3446,6 +3463,7 @@ Returns the title of the resource.
 # These info functions can be used directly, as they don't return
 # resource information.
 sub comesfrom { my $self=shift; return $self->navHash("comesfrom_", 1); }
+sub encrypted { my $self=shift; return $self->navHash("encrypted_", 1); }
 sub ext { my $self=shift; return $self->navHash("ext_", 1) eq 'true:'; }
 sub from { my $self=shift; return $self->navHash("from_", 1); }
 # considered private and undocumented
@@ -3457,10 +3475,20 @@ sub randompick {
     return $self->{NAV_MAP}->{PARM_HASH}->{$self->symb .
                                                '.0.parameter_randompick'};
 }
+sub link {
+    my $self=shift;
+    if ($self->encrypted()) { return &Apache::lonenc::encrypted($self->src); }
+    return $self->src;
+}
 sub src { 
     my $self=shift;
     return $self->navHash("src_", 1);
 }
+sub shown_symb {
+    my $self=shift;
+    if ($self->encrypted()) {return &Apache::lonenc::encrypted($self->symb());}
+    return $self->symb();
+}
 sub symb {
     my $self=shift;
     (my $first, my $second) = $self->{ID} =~ /(\d+).(\d+)/;